<?php

class StanowiskoController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Stanowisko;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Stanowisko']))
		{
			$model->attributes=$_POST['Stanowisko'];
			if($model->save())
				$this->redirect(array('admin'));
		}

		$this->render('create',array(
			'model'=>$model,
                ));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);
                $cwiczenia = StanowiskoCwiczenie::model()->findAllByAttributes(array(
                    'idStanowiska'=>$model->idStanowiska,
                ));
                
		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Stanowisko']))
		{
                    $model->attributes=$_POST['Stanowisko'];
                    if($model->save()) {
                        $cwiczeniaPost = array();
                        if(isset($_POST['Cwiczenia']))
                            foreach($_POST['Cwiczenia'] as $c)
                                $cwiczeniaPost[$c] = true;
                        
                        $powiazania = StanowiskoCwiczenie::model()->findAllByAttributes(array(
                            'idStanowiska'=>$model->idStanowiska,
                        ));
                        foreach($powiazania as $p) {
                            if(!isset($cwiczeniaPost[$p->idCwiczenia])) {
                                if (!count($p->terminy))
                                    $p->delete();
                                else {
                                    $model->addError('idStanowiska', 
                                        'Ćwiczenie "'.$p->cwiczenie->nazwa.'" nie może być odznaczone, 
                                        ponieważ na tym stanowisku istnieją utworzone dla niego terminy');
                                }
                            } else {
                                $cwiczeniaPost[$p->idCwiczenia] = false;
                            }
                        }
                        foreach($cwiczeniaPost as $c => $v) {
                            if ($v) {
                                $modelCw = new StanowiskoCwiczenie;
                                $modelCw->idCwiczenia = $c;
                                $modelCw->idStanowiska = $model->idStanowiska;
                                $modelCw->save();
                            }
                        }
                        /*if(isset($_POST['Cwiczenia'])) {
                            foreach ($_POST['Cwiczenia'] as $c) {
                                $record = StanowiskoCwiczenie::model()->deleteByAttributes(array(
                                    'idStanowiska'=>$model->idStanowiska,
                                    'idCwiczenia'=>$c,
                                ));
                                $modelCw = new StanowiskoCwiczenie;
                                $modelCw->idCwiczenia = $c;
                                $modelCw->idStanowiska = $model->idStanowiska;
                                $modelCw->save();
                            }*/
                        if(!$model->hasErrors())
                            $this->redirect(array('admin'));
                        /*else {
                            $model->save();
                        }*/
                        //}
                    }
		}

		$this->render('update',array(
			'model'=>$model,
                        'cwiczenia'=>$cwiczenia
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest) {
			// we only allow deletion via POST request
			$model=$this->loadModel($id);
                        if(count($model->cwiczenia) || count($model->urzadzenia)) {
                            echo "Nie można usunąć stanowiska, do którego są przypisane ćwiczenia i/lub urządzenia.\n"
                                ."Usuń najpierw powiązania z ćwiczeniami i/lub urządzeniami.";
                        } else {
                            $model->delete();
                            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
                            if(!isset($_GET['ajax']))
                                    $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
                        }
                } else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Stanowisko');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Stanowisko('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Stanowisko']))
			$model->attributes=$_GET['Stanowisko'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Stanowisko::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='stanowisko-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
